MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm with numerous external URIs pointing to disposable domains. The document body is heavily obfuscated, preventing a clear understanding of its specific intent beyond serving as a distribution point for other potentially malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://rsst77.ru/upload/files/69185235233.pdf In PDF document text
- http://boathousebrokerage.com/userfiles/file/8810220631.pdfIn PDF document text
- https://bahia-group.com/ckfinder/userfiles/files/piburukavedeguk.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/60913667418.pdfIn PDF document text
- http://orlickachata.cz/files/files/79621854744.pdfIn PDF document text
- https://samavetpharm.com/userfiles/files/fafomexotuko.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/1hvmu9i96oteg8hgp77n1cuoiv/nedavezatemefowogurusuxob.pdfIn PDF document text
- https://skl.deindrukdemo.nl/upload/files/sirivapinomi.pdfIn PDF document text
- http://namjapizza.com/app/webroot/files/41660081376.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/1091813919.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161422413b73d1---11388420301.pdfIn PDF document text
- http://7166867.ru/ckfinder/userfiles/files/34900357320.pdfIn PDF document text
- http://zygzak.eu/foto_dane/wysiwyg/File/8576686583.pdfIn PDF document text
- http://globalroomplus.com/bot/ckfinder/uf/files/logejotewewolokilutalor.pdfIn PDF document text
- http://metallpress.ru/files/91242643877.pdfIn PDF document text
- https://cmottaviproductive.it/uploads/file/81320113859.pdfIn PDF document text
- http://ahkkpcm.org/userfiles/57523224313.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/52722181840.pdfIn PDF document text
- http://swhos.com/upload/files/8149702569.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/xekalomapumexubufuderefil.pdfIn PDF document text
- http://quocteanviet.com/img-chamthi/files/gavobatiga.pdfIn PDF document text
- https://rumahbaruku.com/contents/files/xutubagujezipofanuwom.pdfIn PDF document text
- http://vertracapital.com/uploads/files/mosidixem.pdfIn PDF document text
- https://assofmt.org/ckfinder/userfiles/files/jogagodefuzevixonisab.pdfIn PDF document text
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/82352425465.pdfIn PDF document text
- http://ieltsadd.ir/cache/fck_files/file/dajawijututojalokum.pdfIn PDF document text
- http://tnslib.tools/userfiles/files/36312741584.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=movie+shot+apkPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC938 | 17080 bytes |
SHA-256: f9564f8e9600ec368631dbf3ffc0c977e947f7c236bc563dad2c9a602977fc4b |
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font_01_sfnt_off0000f580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF580 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D97 | 10248 bytes |
SHA-256: 67684dcbae818b2bf68c5b5ec99675db2ee1e1cc4829b49adcd9f18a4ac3dea6 |
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